MY143850A - Multichannel decorrelation in spatial audio coding - Google Patents
Multichannel decorrelation in spatial audio codingInfo
- Publication number
- MY143850A MY143850A MYPI20053941A MYPI20053941A MY143850A MY 143850 A MY143850 A MY 143850A MY PI20053941 A MYPI20053941 A MY PI20053941A MY PI20053941 A MYPI20053941 A MY PI20053941A MY 143850 A MY143850 A MY 143850A
- Authority
- MY
- Malaysia
- Prior art keywords
- characteristic
- audio coding
- spatial audio
- signals
- audio signals
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60472504P | 2004-08-25 | 2004-08-25 | |
| US70013705P | 2005-07-18 | 2005-07-18 | |
| US70578405P | 2005-08-05 | 2005-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY143850A true MY143850A (en) | 2011-07-15 |
Family
ID=35448169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI20053941A MY143850A (en) | 2004-08-25 | 2005-08-23 | Multichannel decorrelation in spatial audio coding |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US8015018B2 (pt) |
| EP (1) | EP1782417B1 (pt) |
| JP (1) | JP4909272B2 (pt) |
| KR (1) | KR101178060B1 (pt) |
| CN (1) | CN101010723B (pt) |
| AT (1) | ATE447756T1 (pt) |
| AU (1) | AU2005280041B2 (pt) |
| BR (1) | BRPI0514620A8 (pt) |
| CA (1) | CA2576739C (pt) |
| DE (1) | DE602005017502D1 (pt) |
| IL (1) | IL181406A (pt) |
| MX (1) | MX2007001949A (pt) |
| MY (1) | MY143850A (pt) |
| TW (1) | TWI393121B (pt) |
| WO (1) | WO2006026452A1 (pt) |
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI393121B (zh) | 2004-08-25 | 2013-04-11 | 杜比實驗室特許公司 | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| KR101315077B1 (ko) * | 2005-03-30 | 2013-10-08 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들 |
| EP1866913B1 (en) * | 2005-03-30 | 2008-08-27 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
| JP4988716B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
| WO2006126844A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
| EP1927102A2 (en) * | 2005-06-03 | 2008-06-04 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| TWI396188B (zh) | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
| KR100857105B1 (ko) | 2005-09-14 | 2008-09-05 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
| WO2007083952A1 (en) | 2006-01-19 | 2007-07-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| KR100902899B1 (ko) | 2006-02-07 | 2009-06-15 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
| TWI341141B (en) * | 2006-04-03 | 2011-04-21 | Lg Electronics Inc | Apparatus for processing media signal and method thereof |
| KR101012259B1 (ko) | 2006-10-16 | 2011-02-08 | 돌비 스웨덴 에이비 | 멀티채널 다운믹스된 객체 코딩의 개선된 코딩 및 파라미터 표현 |
| JP5337941B2 (ja) | 2006-10-16 | 2013-11-06 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | マルチチャネル・パラメータ変換のための装置および方法 |
| KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
| JP5554065B2 (ja) * | 2007-02-06 | 2014-07-23 | コーニンクレッカ フィリップス エヌ ヴェ | 複雑さの軽減されたパラメトリックステレオデコーダ |
| DE102007018032B4 (de) * | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| US8385556B1 (en) * | 2007-08-17 | 2013-02-26 | Dts, Inc. | Parametric stereo conversion system and method |
| JPWO2009122757A1 (ja) * | 2008-04-04 | 2011-07-28 | パナソニック株式会社 | ステレオ信号変換装置、ステレオ信号逆変換装置およびこれらの方法 |
| JP5326465B2 (ja) * | 2008-09-26 | 2013-10-30 | 富士通株式会社 | オーディオ復号方法、装置、及びプログラム |
| TWI413109B (zh) * | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
| US8255821B2 (en) * | 2009-01-28 | 2012-08-28 | Lg Electronics Inc. | Method and an apparatus for decoding an audio signal |
| WO2010086461A1 (en) | 2009-01-28 | 2010-08-05 | Dolby International Ab | Improved harmonic transposition |
| PL3751570T3 (pl) | 2009-01-28 | 2022-03-07 | Dolby International Ab | Ulepszona transpozycja harmonicznych |
| KR101405022B1 (ko) | 2009-09-18 | 2014-06-10 | 돌비 인터네셔널 에이비 | 입력 신호를 전위시키기 위한 시스템 및 방법, 상기 방법을 수행하는 소프트웨어 프로그램 및 컴퓨터 프로그램 제품을 포함하는 저장 매체 |
| PT2483887T (pt) | 2009-09-29 | 2017-10-23 | Dolby Int Ab | Descodificador de sinal de áudio mpeg-saoc, método para fornecer uma representação de sinal de mistura ascendente usando descodificação mpeg-saoc e programa de comutador usando um valor comum de parâmetros de correlação inter-objetos dependente de tempo/frequência |
| CN102157149B (zh) * | 2010-02-12 | 2012-08-08 | 华为技术有限公司 | 立体声信号下混方法、编解码装置和编解码系统 |
| CN102157150B (zh) * | 2010-02-12 | 2012-08-08 | 华为技术有限公司 | 立体声解码方法及装置 |
| KR101698439B1 (ko) | 2010-04-09 | 2017-01-20 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
| US9008811B2 (en) | 2010-09-17 | 2015-04-14 | Xiph.org Foundation | Methods and systems for adaptive time-frequency resolution in digital data coding |
| US8838442B2 (en) | 2011-03-07 | 2014-09-16 | Xiph.org Foundation | Method and system for two-step spreading for tonal artifact avoidance in audio coding |
| WO2012122299A1 (en) | 2011-03-07 | 2012-09-13 | Xiph. Org. | Bit allocation and partitioning in gain-shape vector quantization for audio coding |
| WO2012122297A1 (en) * | 2011-03-07 | 2012-09-13 | Xiph. Org. | Methods and systems for avoiding partial collapse in multi-block audio coding |
| WO2012158333A1 (en) | 2011-05-19 | 2012-11-22 | Dolby Laboratories Licensing Corporation | Forensic detection of parametric audio coding schemes |
| US20140226842A1 (en) * | 2011-05-23 | 2014-08-14 | Nokia Corporation | Spatial audio processing apparatus |
| EP2740222B1 (en) * | 2011-08-04 | 2015-04-22 | Dolby International AB | Improved fm stereo radio receiver by using parametric stereo |
| CN102446507B (zh) * | 2011-09-27 | 2013-04-17 | 华为技术有限公司 | 一种下混信号生成、还原的方法和装置 |
| EP2939443B1 (en) * | 2012-12-27 | 2018-02-14 | DTS, Inc. | System and method for variable decorrelation of audio signals |
| TWI618050B (zh) * | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| EP2956935B1 (en) | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| US9830917B2 (en) | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| EP2830334A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| SG11201600466PA (en) | 2013-07-22 | 2016-02-26 | Fraunhofer Ges Forschung | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP2840811A1 (en) * | 2013-07-22 | 2015-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for processing an audio signal; signal processing unit, binaural renderer, audio encoder and audio decoder |
| EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| CN105338446B (zh) * | 2014-07-04 | 2019-03-12 | 南宁富桂精密工业有限公司 | 音频声道控制电路 |
| CN104518821B (zh) * | 2014-12-12 | 2019-05-24 | 上海华为技术有限公司 | 一种宽带波束成形算法、网元以及系统 |
| RU2580796C1 (ru) * | 2015-03-02 | 2016-04-10 | Государственное казенное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) | Способ (варианты) фильтрации зашумленного речевого сигнала в условиях сложной помеховой обстановки |
| CN106161820B (zh) * | 2015-04-16 | 2019-04-23 | 中国科学院声学研究所 | 一种用于立体声声学回声抵消的通道间去相关方法 |
| CN110024421B (zh) | 2016-11-23 | 2020-12-25 | 瑞典爱立信有限公司 | 用于自适应控制去相关滤波器的方法和装置 |
| US10560661B2 (en) | 2017-03-16 | 2020-02-11 | Dolby Laboratories Licensing Corporation | Detecting and mitigating audio-visual incongruence |
| CN110998721B (zh) | 2017-07-28 | 2024-04-26 | 弗劳恩霍夫应用研究促进协会 | 用于使用宽频带滤波器生成的填充信号对已编码的多声道信号进行编码或解码的装置 |
| JP7092047B2 (ja) * | 2019-01-17 | 2022-06-28 | 日本電信電話株式会社 | 符号化復号方法、復号方法、これらの装置及びプログラム |
| CN113873420B (zh) * | 2021-09-28 | 2023-06-23 | 联想(北京)有限公司 | 音频数据处理方法及装置 |
| CN120454939B (zh) * | 2025-07-09 | 2025-11-07 | 荣耀终端股份有限公司 | Ai模型参数获取方法、装置、存储介质和芯片系统 |
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-
2005
- 2005-08-19 TW TW094128376A patent/TWI393121B/zh not_active IP Right Cessation
- 2005-08-23 MY MYPI20053941A patent/MY143850A/en unknown
- 2005-08-24 JP JP2007530171A patent/JP4909272B2/ja not_active Expired - Lifetime
- 2005-08-24 US US11/661,010 patent/US8015018B2/en active Active
- 2005-08-24 WO PCT/US2005/030453 patent/WO2006026452A1/en not_active Ceased
- 2005-08-24 MX MX2007001949A patent/MX2007001949A/es active IP Right Grant
- 2005-08-24 CN CN2005800275889A patent/CN101010723B/zh not_active Expired - Lifetime
- 2005-08-24 AT AT05792504T patent/ATE447756T1/de not_active IP Right Cessation
- 2005-08-24 BR BRPI0514620A patent/BRPI0514620A8/pt not_active Application Discontinuation
- 2005-08-24 KR KR1020077003521A patent/KR101178060B1/ko not_active Expired - Lifetime
- 2005-08-24 AU AU2005280041A patent/AU2005280041B2/en not_active Expired
- 2005-08-24 EP EP05792504A patent/EP1782417B1/en not_active Expired - Lifetime
- 2005-08-24 CA CA2576739A patent/CA2576739C/en not_active Expired - Lifetime
- 2005-08-24 DE DE602005017502T patent/DE602005017502D1/de not_active Expired - Lifetime
-
2007
- 2007-02-18 IL IL181406A patent/IL181406A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| IL181406A0 (en) | 2007-07-04 |
| MX2007001949A (es) | 2007-04-23 |
| AU2005280041B2 (en) | 2010-04-22 |
| HK1099839A1 (en) | 2007-08-24 |
| TW200611241A (en) | 2006-04-01 |
| CA2576739A1 (en) | 2006-03-09 |
| US8015018B2 (en) | 2011-09-06 |
| BRPI0514620A (pt) | 2008-06-17 |
| US20080126104A1 (en) | 2008-05-29 |
| IL181406A (en) | 2011-04-28 |
| JP2008511044A (ja) | 2008-04-10 |
| EP1782417B1 (en) | 2009-11-04 |
| KR101178060B1 (ko) | 2012-08-30 |
| ATE447756T1 (de) | 2009-11-15 |
| KR20070051856A (ko) | 2007-05-18 |
| BRPI0514620A8 (pt) | 2018-07-31 |
| JP4909272B2 (ja) | 2012-04-04 |
| TWI393121B (zh) | 2013-04-11 |
| EP1782417A1 (en) | 2007-05-09 |
| AU2005280041A1 (en) | 2006-03-09 |
| CN101010723B (zh) | 2011-05-18 |
| CA2576739C (en) | 2013-08-13 |
| WO2006026452A1 (en) | 2006-03-09 |
| DE602005017502D1 (de) | 2009-12-17 |
| CN101010723A (zh) | 2007-08-01 |
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